#define _CRT_SECURE_NO_WARNINGS
#include"byy.h"
void j(int *p,int *q)
{
	int* k;
	k = p; p = q; q = k;
}

int main()
{
	int a=3, b=6, * p=&a, * q=&b;
	j(p, q);
	printf("%d%d", a, b);
	return 0;
}